215683377

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{60773}}^1$

素因数の和:60809

約数の個数: 24

約数和(自身を含む): 355892544

約数和(自身を除く): 140209167

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 60773, 182319, 425411, 790049, 1276233, 2370147, 5530343, 10270637, 16591029, 30811911, 71894459, 215683377]

約数ペア:

[(1, 215683377), (3, 71894459), (7, 30811911), (13, 16591029), (21, 10270637), (39, 5530343), (91, 2370147), (169, 1276233), (273, 790049), (507, 425411), (1183, 182319), (3549, 60773)]